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79 lines
1.7 KiB
PHP
79 lines
1.7 KiB
PHP
<?php
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/**
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*
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* This file is part of the phpBB Forum Software package.
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*
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* @copyright (c) phpBB Limited <https://www.phpbb.com>
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* @license GNU General Public License, version 2 (GPL-2.0)
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*
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* For full copyright and license information, please see
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* the docs/CREDITS.txt file.
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*
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*/
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namespace phpbb\storage\controller;
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use phpbb\cache\service;
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use phpbb\config\config;
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use phpbb\db\driver\driver_interface;
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use phpbb\storage\storage;
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class avatar extends controller
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{
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/** @var config */
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protected $config;
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protected $allowed_extensions = ['png', 'gif', 'jpg', 'jpeg'];
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public function __construct(service $cache, config $config, driver_interface $db, storage $storage)
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{
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$this->cache = $cache;
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$this->config = $config;
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$this->db = $db;
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$this->storage = $storage;
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}
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public function handle($file)
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{
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$file = $this->decode_avatar_filename($file);
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parent::handle($file);
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}
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protected function is_allowed($file)
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{
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$ext = substr(strrchr($file, '.'), 1);
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// If filename have point and have an allowed extension
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return strpos($file, '.') && in_array($ext, $this->allowed_extensions);
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}
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protected function decode_avatar_filename($file)
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{
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$avatar_group = false;
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if (isset($file[0]) && $file[0] === 'g')
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{
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$avatar_group = true;
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$file = substr($file, 1);
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}
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$ext = substr(strrchr($file, '.'), 1);
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$file = (int) $file;
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return $this->config['avatar_salt'] . '_' . ($avatar_group ? 'g' : '') . $file . '.' . $ext;
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}
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protected function send($file)
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{
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if (!headers_sent())
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{
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header("Content-Disposition: inline; filename*=UTF-8''" . rawurlencode($file));
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header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 3600*24*365) . ' GMT');
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}
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parent::send($file);
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}
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}
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